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An Opinionated Guide to Performance Budgets

Speed Curve

You can then configure your monitoring tools to send you alerts – or even break the build, if you're testing in your staging environment – when your budgets are violated. The easiest way to do this is to look at rendering filmstrips in your synthetic test data. Just FYI, I had to look up that definition.

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Data Mining Problems in Retail

Highly Scalable

Retail is one of the most important business domains for data science and data mining applications because of its prolific data and numerous optimization problems such as optimal prices, discounts, recommendations, and stock levels that can be solved using data analysis methods. However, many of these models are highly parametric (i.e.

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A simple, client-side approach to measuring Speed Index

Dean Hume

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. The Eggplant website does a great job of explaining clearly how Speed Index is calculated. "Each speedindex-test. Under the hood, the Speed Index library is really clever.

Speed 40
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A simple, client-side approach to measuring Speed Index

Dean Hume

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. The Eggplant website does a great job of explaining clearly how Speed Index is calculated. "Each speedindex-test. Under the hood, the Speed Index library is really clever.

Speed 40
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A simple, client-side approach to measuring Speed Index

Dean Hume

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. The NCC group website does a great job of explaining clearly how Speed Index is calculated. "Each speedindex-test. Under the hood, the Speed Index library is really clever.

Speed 40
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A Complete Guide to Performance Budgets

Speed Curve

It's easier to make a fast website than it is to keep a website fast. You can then configure your monitoring tools to send you alerts – or even break the build, if you're testing in your staging environment – when your budgets are violated. What should a performance budget look like?

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Ten years of page bloat: What have we learned?

Speed Curve

And if that already wasn’t enough, the number of images on a page has been linked to lower conversion rates on retail sites. Having said that, looking at data over the past ten years, it's safe to make the observation that pages are definitely trending bigger. In other words, images comprised almost 75% of the total page weight.

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